With the Alesis 3630 Dual-Channel Compressor/Limiter with Gate you get 2 channels priced lower than most single-channel compressors. Ideal for recording, mixdown, instrument rigs, and sound reinforcement. Features fully variable threshold; compression ratio; attack, release, and output levels; selectable peak/RMS; and hard- and soft-knee compression styles. Input/output metering, gain reduction metering, adjustable gate, TRS sidechain for ducking and de-essing, and true stereo linkable operation.